The nurse researcher knows that a sample is representative of a population when which statement is true?
a. The sample is homogeneous.
b. All units of a population are included.
c. The most readily accessible persons are used as subjects.
d. The characteristics of the sample closely approximate those of the population.
ANS: D
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A A homogeneous sample is not the ultimate criterion for evaluating a sample.
B Population elements or unit inclusion is important but not the ultimate criterion.
C Ready subject accessibility does not constitute the most important evaluative criteria.
D The foremost criterion in evaluating a sample is its representativeness.
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Which option reflects a quantitative research design?
1. The researcher has created a design that includes control of extraneous variables. 2. The researcher plans to investigate and explain the research question through narrative data. 3. To collect data, the researcher will conduct a series of unstructured interviews with the study participants. 4. The research is designed to explore the way the study participants feel about their experiences with the research topic.
Calculate the following: 1 kg = _________ g
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Which of the following situations in clients on lithium therapy should alert the nurse to an increased risk of lithium toxicity? Select all that apply
A) Weight gain B) Excessive sweating C) Vomiting D) Elimination of dietary salt E) Diarrhea
After a patient has been on a narcotic agonist drug for a week, the nurse would next expect the physician to do which of the following?
A. take the patient off all pain medications B. continue the patient on the medication for another week C. have the patient use distractions from pain D. give another method for pain relief